JEE Main 2013 — Straight Lines Question with Solution
JEE Main 2013 (23 Apr Online)
Question
If two lines and in space, are defined by
then is perpendicular to , for all nonnegative reals and , such that :
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
For ,
From (i) and (ii)
The equation (A) is the equation of line . Similarly equation of line is
Since , therefore
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This is a previous-year question from JEE Main 2013, covering the Straight Lines chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.